Choose the answer that describes the scientific notation for 5,098,000.. a. 5.098 × 75777. b. 5.098 × 108. c. 5.098 × 107. d. 5.098 × 106

Standard form:
5,098,000

Scientific notation. 
1) only 1 digit should be before the decimal point.
5.098000

2) only non-zero number must be part of the coefficient. the rest are included in the base of 10.

5.098 x 10^6  Choice D.

Exponent is the number of times the decimal moved from its original placement to its place after the 1st digit.